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Various updates

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3473 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 1998-12-16 20:32:59 +00:00
parent 97190ff47f
commit aaaf89c396
7 changed files with 124 additions and 478 deletions
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17
ChangeLog
View file

@ -1,3 +1,20 @@
Wed Dec 16 20:30:00 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
Various modifications suggested by <mguesdon@sbuilders.com> and
<jagapen@whitewater.chem.wisc.edu>. All untested.
src/include/Port.h: ([+newForReceivingFromRegisteredName:fromPort:])
Additional method for DO through firewalls.
src/include/NSConnection.h: Addittional method for DO through firewall
([+newRegisteringAtName:atPort:withRootObject:])
Additional method for DO through firewalls.
src/NSTask.h: Updated to MacOS-X spec - accepts NSPipes.
src/TcpPort.m: ([+newForReceivingFromRegisteredName:fromPort:])
Additional method for DO through firewalls. Removed obsolete name
server code.
src/NSConnection.m: Addittional method for DO through firewall
([+newRegisteringAtName:atPort:withRootObject:])
src/NSTask.m: Updated to MacOS-X spec - accepts NSPipes.
Tue Dec 15 13:25:10 1998 Adam Fedor <fedor@doc.com>
* src/NSUser.m (NSFullUserName): New function (not implemented).

6
Headers/gnustep/base/NSConnection.h
View file

@ -169,7 +169,11 @@ extern NSString *NSConnectionProxyCount; /* Objects received */
it's unclear if we're connecting to another NSConnection that already
registered with that name. */
+ (NSConnection*) newWithRootObject: anObj;
+ (NSConnection*) newRegisteringAtName: (NSString*)n withRootObject: anObj;
+ (NSConnection*) newRegisteringAtName: (NSString*)n
withRootObject: anObj;
+ (NSConnection*) newRegisteringAtName: (NSString*)n
atPort: (int)portn
withRootObject: anObj;
/* Get a proxy to a remote server object.
A new connection is created if necessary. */

49
Headers/gnustep/base/NSTask.h
View file

@ -33,22 +33,23 @@
@interface NSTask : NSObject
{
NSString *currentDirectoryPath;
NSString *launchPath;
NSArray *arguments;
NSDictionary *environment;
NSFileHandle *standardError;
NSFileHandle *standardInput;
NSFileHandle *standardOutput;
int taskId;
int terminationStatus;
BOOL hasLaunched;
BOOL hasTerminated;
BOOL hasCollected;
BOOL hasNotified;
NSString *currentDirectoryPath;
NSString *launchPath;
NSArray *arguments;
NSDictionary *environment;
id standardError;
id standardInput;
id standardOutput;
int taskId;
int terminationStatus;
BOOL hasLaunched;
BOOL hasTerminated;
BOOL hasCollected;
BOOL hasNotified;
}
+ (NSTask*)launchedTaskWithLaunchPath:(NSString*)path arguments: (NSArray*)args;
+ (NSTask*) launchedTaskWithLaunchPath: (NSString*)path
arguments: (NSArray*)args;
/*
* Querying task parameters.
@ -57,20 +58,20 @@
- (NSString*) currentDirectoryPath;
- (NSDictionary*) environment;
- (NSString*) launchPath;
- (NSFileHandle*) standardError;
- (NSFileHandle*) standardInput;
- (NSFileHandle*) standardOutput;
- (id) standardError;
- (id) standardInput;
- (id) standardOutput;
/*
* Setting task parameters.
*/
- (void)setArguments: (NSArray*)args;
- (void)setCurrentDirectoryPath: (NSString*)path;
- (void)setEnvironment: (NSDictionary*)env;
- (void)setLaunchPath: (NSString*)path;
- (void)setStandardError: (NSFileHandle*)hdl;
- (void)setStandardInput: (NSFileHandle*)hdl;
- (void)setStandardOutput: (NSFileHandle*)hdl;
- (void) setArguments: (NSArray*)args;
- (void) setCurrentDirectoryPath: (NSString*)path;
- (void) setEnvironment: (NSDictionary*)env;
- (void) setLaunchPath: (NSString*)path;
- (void) setStandardError: (id)hdl;
- (void) setStandardInput: (id)hdl;
- (void) setStandardOutput: (id)hdl;
/*
* Obtaining task state

1
Headers/gnustep/base/Port.h
View file

@ -54,6 +54,7 @@
+ newForReceiving;
+ newForReceivingFromRegisteredName: (NSString*)name;
+ newForReceivingFromRegisteredName: (NSString*)name fromPort: (int)port;
/* Register/Unregister this port for input handling through RunLoop
RUN_LOOP in mode MODE. */

20
Source/NSConnection.m
View file

@ -831,15 +831,25 @@ static int messages_received_count;
with that name. */
+ (NSConnection*) newRegisteringAtName: (NSString*)n withRootObject: anObj
{
return [self newRegisteringAtName: n
atPort: 0
withRootObject: anObj];
}
+ (NSConnection*) newRegisteringAtName: (NSString*)n
atPort: (int)p
withRootObject: anObj
{
id newPort;
id newConn;
newPort = [default_receive_port_class newForReceivingFromRegisteredName: n];
newConn = [self newForInPort:[newPort autorelease]
outPort:nil
ancestorConnection:nil];
[self setRootObject:anObj forInPort:newPort];
newPort = [default_receive_port_class newForReceivingFromRegisteredName: n
fromPort: p];
newConn = [self newForInPort: [newPort autorelease]
outPort: nil
ancestorConnection: nil];
[self setRootObject: anObj forInPort: newPort];
return newConn;
}

62
Source/NSTask.m
View file

@ -57,7 +57,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
}
}
+ (NSTask*)launchedTaskWithLaunchPath:(NSString*)path arguments: (NSArray*)args
+ (NSTask*) launchedTaskWithLaunchPath: (NSString*)path
arguments: (NSArray*)args
{
NSTask* task = [NSTask new];
@ -113,7 +114,7 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
return launchPath;
}
- (NSFileHandle*) standardError
- (id) standardError
{
if (standardError == nil)
{
@ -122,7 +123,7 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
return standardError;
}
- (NSFileHandle*) standardInput
- (id) standardInput
{
if (standardInput == nil)
{
@ -131,7 +132,7 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
return standardInput;
}
- (NSFileHandle*) standardOutput
- (id) standardOutput
{
if (standardOutput == nil)
{
@ -192,8 +193,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
launchPath = path;
}
- (void) setStandardError: (NSFileHandle*)hdl
- (void) setStandardError: (id)hdl
{
NSAssert([hdl isKindOfClass: [NSFileHandle class]] ||
[hdl isKindOfClass: [NSPipe class]], NSInvalidArgumentException);
if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException
@ -206,6 +209,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) setStandardInput: (NSFileHandle*)hdl
{
NSAssert([hdl isKindOfClass: [NSFileHandle class]] ||
[hdl isKindOfClass: [NSPipe class]], NSInvalidArgumentException);
if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException
@ -218,6 +223,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) setStandardOutput: (NSFileHandle*)hdl
{
NSAssert([hdl isKindOfClass: [NSFileHandle class]] ||
[hdl isKindOfClass: [NSPipe class]], NSInvalidArgumentException);
if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException
@ -278,6 +285,7 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) launch
{
NSMutableArray *toClose;
int pid;
const char *executable;
const char *path;
@ -291,6 +299,7 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
int ac = [a count];
const char *args[ac+2];
const char *envl[ec+1];
id hdl;
int i;
if (hasLaunched)
@ -339,9 +348,37 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
envl[ec] = 0;
path = [[self currentDirectoryPath] cString];
idesc = [[self standardInput] fileDescriptor];
odesc = [[self standardError] fileDescriptor];
edesc = [[self standardOutput] fileDescriptor];
toClose = [NSMutableArray arrayWithCapacity: 3];
hdl = [self standardInput];
if ([hdl isKindOfClass: [NSPipe class]])
{
hdl = [hdl fileHandleForReading];
[toClose addObject: hdl];
}
idesc = [hdl fileDescriptor];
hdl = [self standardOutput];
if ([hdl isKindOfClass: [NSPipe class]])
{
hdl = [hdl fileHandleForWriting];
[toClose addObject: hdl];
}
odesc = [hdl fileDescriptor];
hdl = [self standardError];
if ([hdl isKindOfClass: [NSPipe class]])
{
hdl = [hdl fileHandleForWriting];
/*
* If we have the same pipe twice we don't want to close it twice
*/
if ([toClose indexOfObjectIdenticalTo: hdl] == NSNotFound)
{
[toClose addObject: hdl];
}
}
edesc = [hdl fileDescriptor];
pid = fork();
if (pid < 0)
@ -371,6 +408,15 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
{
taskId = pid;
hasLaunched = YES;
/*
* Close the ends of any pipes used by the child.
*/
while ([toClose count] > 0)
{
hdl = [toClose objectAtIndex: 0];
[hdl closeFile];
[toClose removeObjectAtIndex: 0];
}
}
}

447
Source/TcpPort.m
View file

@ -69,8 +69,6 @@
#define NBLK_OPT FNDELAY
#endif
#define NSPORTNAMESERVER 1
#define GDOMAP 1 /* 1 = Use name server. */
#define stringify_it(X) #X
#define make_gdomap_cmd(X) stringify_it(X) "/Tools/"GNUSTEP_TARGET_DIR"/gdomap &"
#define make_gdomap_err(X) "check that " stringify_it(X) "/Tools/"GNUSTEP_TARGET_DIR"/gdomap is running and owned by root."
@ -163,12 +161,6 @@ static int debug_tcp_port = 0;
#ifdef GDOMAP
/*
* Code to contact distributed objects name server.
*/
#include "../Tools/gdomap.h"
extern int errno; /* For systems where it is not in the include */
/*
@ -339,376 +331,6 @@ tryWrite(int desc, int tim, unsigned char* dat, int len)
}
}
/*
* Name - tryHost()
* Purpose - Perform a name server operation with a given
* request packet to a server at specified address.
* On error - return non-zero with reason in 'errno'
*/
static int
tryHost(unsigned char op, unsigned char len, const unsigned char* name,
struct sockaddr_in* addr, unsigned short* p, unsigned char **v)
{
int desc = socket(AF_INET, SOCK_STREAM, 0);
int e = 0;
unsigned long port = *p;
gdo_req msg;
struct sockaddr_in sin;
*p = 0;
if (desc < 0) {
return(1); /* Couldn't create socket. */
}
if ((e = fcntl(desc, F_GETFL, 0)) >= 0) {
e |= NBLK_OPT;
if (fcntl(desc, F_SETFL, e) < 0) {
e = errno;
close(desc);
errno = e;
return(2); /* Couldn't set non-blocking. */
}
}
else {
e = errno;
close(desc);
errno = e;
return(2); /* Couldn't set non-blocking. */
}
memcpy(&sin, addr, sizeof(sin));
if (connect(desc, (struct sockaddr*)&sin, sizeof(sin)) != 0) {
if (errno == EINPROGRESS) {
e = tryWrite(desc, 10, 0, 0);
if (e == -2) {
e = errno;
close(desc);
errno = e;
return(3); /* Connect timed out. */
}
else if (e == -1) {
e = errno;
close(desc);
errno = e;
return(3); /* Select failed. */
}
}
else {
e = errno;
close(desc);
errno = e;
return(3); /* Failed connect. */
}
}
memset((char*)&msg, '\0', GDO_REQ_SIZE);
msg.rtype = op;
msg.nsize = len;
msg.ptype = GDO_TCP_GDO;
if (op != GDO_REGISTER) {
port = 0;
}
msg.port = htonl(port);
memcpy(msg.name, name, len);
e = tryWrite(desc, 10, (unsigned char*)&msg, GDO_REQ_SIZE);
if (e != GDO_REQ_SIZE) {
e = errno;
close(desc);
errno = e;
return(4);
}
e = tryRead(desc, 3, (unsigned char*)&port, 4);
if (e != 4) {
e = errno;
close(desc);
errno = e;
return(5); /* Read timed out. */
}
port = ntohl(port);
/*
* Special case for GDO_SERVERS - allocate buffer and read list.
*/
if (op == GDO_SERVERS) {
int len = port * sizeof(struct in_addr);
unsigned char* b;
b = (unsigned char*)objc_malloc(len);
if (tryRead(desc, 3, b, len) != len) {
objc_free(b);
e = errno;
close(desc);
errno = e;
return(5);
}
*v = b;
}
*p = (unsigned short)port;
close(desc);
errno = 0;
return(0);
}
/*
* Name - nameFail()
* Purpose - If given a failure status from tryHost()
* raise an appropriate exception.
*/
static void
nameFail(int why)
{
switch (why) {
case 0: break;
case 1:
[NSException raise: NSInternalInconsistencyException
format: @"failed to contact name server - socket - %s - %s",
strerror(errno),
make_gdomap_err(GNUSTEP_INSTALL_PREFIX)];
case 2:
[NSException raise: NSInternalInconsistencyException
format: @"failed to contact name server - socket - %s - %s",
strerror(errno),
make_gdomap_err(GNUSTEP_INSTALL_PREFIX)];
case 3:
[NSException raise: NSInternalInconsistencyException
format: @"failed to contact name server - socket - %s - %s",
strerror(errno),
make_gdomap_err(GNUSTEP_INSTALL_PREFIX)];
case 4:
[NSException raise: NSInternalInconsistencyException
format: @"failed to contact name server - socket - %s - %s",
strerror(errno),
make_gdomap_err(GNUSTEP_INSTALL_PREFIX)];
}
}
/*
* Name - nameServer()
* Purpose - Perform name server lookup or registration.
* Return success/failure status and set up an
* address structure for use in bind or connect.
* Restrictions - 0xffff byte name limit
* Uses old style host lookup - only handles the
* primary network interface for each host!
*/
static int
nameServer(const char* name, const char* host, int op, struct sockaddr_in* addr, int pnum, int max)
{
struct sockaddr_in sin;
struct servent* sp;
struct hostent* hp;
unsigned short p = htons(GDOMAP_PORT);
unsigned short port = 0;
int len = strlen(name);
int multi = 0;
int found = 0;
int rval;
char local_hostname[MAXHOSTNAMELEN];
if (len == 0)
{
[NSException raise: NSInternalInconsistencyException
format: @"no name specified"];
}
if (len > 255)
{
[NSException raise: NSInternalInconsistencyException
format: @"name length to large (>255 characters)"];
}
#if GDOMAP_PORT_OVERRIDE
p = htons(GDOMAP_PORT_OVERRIDE);
#else
/*
* Ensure we have port number to connect to name server.
* The TCP service name 'gdomap' overrides the default port.
*/
if ((sp = getservbyname("gdomap", "tcp")) != 0)
{
p = sp->s_port; /* Network byte order. */
}
#endif
/*
* The host name '*' matches any host on the local network.
*/
if (host && host[0] == '*' && host[1] == '\0')
{
multi = 1;
}
/*
* If no host name is given, we use the name of the local host.
* NB. This should always be the case for operations other than lookup.
*/
if (multi || host == 0 || *host == '\0')
{
char *first_dot;
if (gethostname(local_hostname, sizeof(local_hostname)) < 0)
{
[NSException raise: NSInternalInconsistencyException
format: @"gethostname() failed: %s", strerror(errno)];
}
first_dot = strchr(local_hostname, '.');
if (first_dot)
{
*first_dot = '\0';
}
host = local_hostname;
}
if ((hp = gethostbyname(host)) == 0)
{
[NSException raise: NSInternalInconsistencyException
format: @"get host address for %s", host];
}
if (hp->h_addrtype != AF_INET)
{
[NSException raise: NSInternalInconsistencyException
format: @"non-internet network not supported for %s", host];
}
memset((char*)&sin, '\0', sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = p;
memcpy((caddr_t)&sin.sin_addr, hp->h_addr, hp->h_length);
if (multi)
{
unsigned short num;
struct in_addr* b;
/*
* A host name of '*' is a special case which should do lookup on
* all machines on the local network until one is found which has
* the specified server on it.
*/
rval = tryHost(GDO_SERVERS, 0, 0, &sin, &num, (unsigned char**)&b);
/*
* If the connection to the local name server fails,
* attempt to start it us and retry the lookup.
*/
if (rval != 0 && host == local_hostname)
{
system(make_gdomap_cmd(GNUSTEP_INSTALL_PREFIX));
sleep(5);
rval = tryHost(GDO_SERVERS, 0, 0, &sin, &num, (unsigned char**)&b);
}
if (rval == 0)
{
int i;
for (i = 0; found == 0 && i < num; i++)
{
memset((char*)&sin, '\0', sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = p;
memcpy((caddr_t)&sin.sin_addr, &b[i], sizeof(struct in_addr));
if (sin.sin_addr.s_addr == 0)
continue;
if (tryHost(GDO_LOOKUP, len, name, &sin, &port, 0) == 0)
{
if (port != 0)
{
memset((char*)&addr[found], '\0', sizeof(*addr));
memcpy((caddr_t)&addr[found].sin_addr, &sin.sin_addr,
sizeof(sin.sin_addr));
addr[found].sin_family = AF_INET;
addr[found].sin_port = htons(port);
found++;
if (found == max)
{
break;
}
}
}
}
objc_free(b);
return(found);
}
else
{
nameFail(rval);
}
}
else
{
if (op == GDO_REGISTER)
{
port = (unsigned short)pnum;
}
rval = tryHost(op, len, name, &sin, &port, 0);
/*
* If the connection to the local name server fails,
* attempt to start it us and retry the lookup.
*/
if (rval != 0 && host == local_hostname)
{
system(make_gdomap_cmd(GNUSTEP_INSTALL_PREFIX));
sleep(5);
if (op == GDO_REGISTER)
{
port = (unsigned short)pnum;
}
rval = tryHost(op, len, name, &sin, &port, 0);
}
nameFail(rval);
}
if (op == GDO_REGISTER)
{
if (port == 0 || (pnum != 0 && port != pnum))
{
/*
* If the name server thinks we are already registered on this
* port, we must have crashed, restarted, and got the same port
* number we used to have before we crashed. The solution is to
* unregister our name from the port and retry the registration.
*/
rval = tryHost(GDO_UNREG, len, name, &sin, &port, 0);
nameFail(rval);
port = (unsigned short)pnum;
rval = tryHost(op, len, name, &sin, &port, 0);
nameFail(rval);
if (port == 0 || (pnum != 0 && port != pnum))
{
[NSException raise: NSInternalInconsistencyException
format: @"service already registered"];
}
}
}
if (port == 0)
{
return 0;
}
memset((char*)addr, '\0', sizeof(*addr));
memcpy((caddr_t)&addr->sin_addr, &sin.sin_addr, sizeof(sin.sin_addr));
addr->sin_family = AF_INET;
addr->sin_port = htons(port);
return 1;
}
#else
/* The old hash code for a name server. */
static unsigned short
name_2_port_number (const char *name)
{
unsigned int ret = 0;
unsigned int ctr = 0;
while (*name)
{
ret ^= *name++ << ctr;
ctr = (ctr + 1) % sizeof (void *);
}
return (ret % (65535 - IPPORT_USERRESERVED - 1)) + IPPORT_USERRESERVED;
/* return strlen (name) + IPPORT_USERRESERVED; */
}
#endif /* GDOMAP */
/* Both TcpInPort's and TcpOutPort's are entered in this maptable. */
@ -915,28 +537,20 @@ static NSMapTable* port_number_2_port;
+ newForReceivingFromRegisteredName: (NSString*)name
{
#ifdef GDOMAP
TcpInPort* p = [self newForReceivingFromPortNumber: 0];
return [self newForReceivingFromRegisteredName: name fromPort: 0];
}
+ newForReceivingFromRegisteredName: (NSString*)name
fromPort: (int)portn
{
TcpInPort* p = [self newForReceivingFromPortNumber: portn];
struct sockaddr_in sin;
if (p) {
#if NSPORTNAMESERVER
[[NSPortNameServer defaultPortNameServer] registerPort: p
forName: name];
#else
int port = [p portNumber];
if (nameServer([name cString], 0, GDO_REGISTER, &sin, port, 1) == 0) {
[p release];
return nil;
}
#endif
}
return p;
#else
return [self newForReceivingFromPortNumber:
name_2_port_number ([name cString])];
#endif /* GDOMAP */
}
+ newForReceiving
@ -1655,33 +1269,11 @@ static NSMapTable *out_port_bag = NULL;
+ newForSendingToRegisteredName: (NSString*)name
onHost: (NSString*)hostname
{
#ifdef GDOMAP
#if NSPORTNAMESERVER
id c;
c = [[NSPortNameServer defaultPortNameServer] portForName: name
onHost: hostname];
return [c retain];
#else
struct sockaddr_in sin[100];
int found;
int i;
id c = nil;
found = nameServer([name cString], [hostname cString],
GDO_LOOKUP, sin, 0, 100);
for (i = 0; c == nil && i < found; i++)
{
c = [self newForSendingToSockaddr: &sin[i]
withAcceptedSocket: 0
pollingInPort: nil];
}
return c;
#endif
#else
return [self newForSendingToPortNumber:
name_2_port_number ([name cString]) onHost: hostname];;
#endif /* GDOMAP */
}
+ _newWithAcceptedSocket: (int)s
@ -1917,15 +1509,7 @@ static NSMapTable *out_port_bag = NULL;
char prefix_buffer[PREFIX_SIZE];
int c;
#ifdef GDOMAP
c = tryRead (s, 3, prefix_buffer, PREFIX_SIZE);
#else
#ifdef __WIN32__
c = recv (s, prefix_buffer, PREFIX_SIZE, 0);
#else
c = read (s, prefix_buffer, PREFIX_SIZE);
#endif /* __WIN32__ */
#endif /* GDOMAP */
if (c <= 0)
{
*packet_size = EOF; *rp = nil;
@ -1972,16 +1556,7 @@ static NSMapTable *out_port_bag = NULL;
int remaining;
remaining = [data length] - prefix - eof_position;
#ifdef GDOMAP
c = tryRead(s, 1, [data mutableBytes] + prefix + eof_position, -remaining);
#else
/* xxx We need to make sure this read() is non-blocking. */
#ifdef __WIN32__
c = recv (s, [data mutableBytes] + prefix + eof_position, remaining, 0);
#else
c = read (s, [data mutableBytes] + prefix + eof_position, remaining);
#endif /* __WIN32 */
#endif /* GDOMAP */
if (c <= 0) {
return EOF;
}
@ -2021,15 +1596,7 @@ static NSMapTable *out_port_bag = NULL;
memset ([data mutableBytes]+PREFIX_LENGTH_SIZE, 0, PREFIX_ADDRESS_SIZE);
/* Write the packet on the socket. */
#ifdef GDOMAP
c = tryWrite (s, (int)timeout, (unsigned char*)[data bytes], prefix + eof_position);
#else
#ifdef __WIN32__
c = send (s, [data bytes], prefix + eof_position, 0);
#else
c = write (s, [data bytes], prefix + eof_position);
#endif /* __WIN32__ */
#endif /* GDOMAP */
if (c == -2) {
[NSException raise: NSPortTimeoutException
format: @"[TcpOutPort -_writeToSocket:] write() timed out"];